Patent classifications
E
FIXED CONSTRUCTIONS
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E05
LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
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E05F
DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
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11/00
Man-operated mechanisms for operating wings, including those which also operate the fastening
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E05F11/02
for wings in general, e.g. fanlights
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E05F11/08
with longitudinally-moving bars guided, e.g. by pivoted links, in or on the frame
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E05F11/12
Mechanisms by which the bar shifts the wing
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E05F11/14
directly, i.e. without links, shifting the wing, e.g. by rack and gear or pin and slot
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